180 lines
11 KiB
Svelte
180 lines
11 KiB
Svelte
<script lang="ts">
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import { onMount, tick } from 'svelte';
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import type { ChatContext, ContextualChatEntry } from '$lib/game-chat.js';
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import { formatDuration } from '$ui/duration.js';
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import { groupChatTimeline, type ChatBoundaryEntry } from '$ui/chat-timeline.js';
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import { pollVisible } from '$ui/poll.js';
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import { timeFormat } from '$ui/stores/time-zone.js';
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import Button from './primitives/Button.svelte';
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let { server }: { server: string } = $props();
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let entries = $state<ContextualChatEntry[]>([]);
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let timeline = $derived(groupChatTimeline(entries));
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let hasMessages = $derived(entries.some(entry => entry.type === 'message'));
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let loaded = $state(false);
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let loading = $state(false);
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let manualRefreshing = $state(false);
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let error = $state('');
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let missing = $state(false);
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let body = $state<HTMLDivElement | null>(null);
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let follow = $state(true);
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let controller: AbortController | null = null;
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async function refresh(manual = false) {
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if (loading) {
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if (manual) manualRefreshing = true;
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return;
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}
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loading = true;
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manualRefreshing = manual;
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const request = new AbortController();
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controller = request;
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try {
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const response = await fetch(`/api/servers/${encodeURIComponent(server)}/chat`, { signal: request.signal });
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const data = await response.json();
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if (!response.ok || !data.ok) throw new Error(data.reason ?? 'Could not refresh chat.');
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if (request.signal.aborted) return;
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entries = data.entries ?? [];
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missing = !!data.missing;
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loaded = true;
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error = '';
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await tick();
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if (follow && body) body.scrollTop = body.scrollHeight;
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} catch (err) {
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if (!request.signal.aborted) error = err instanceof Error ? err.message : 'Could not refresh chat.';
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} finally { loading = false; manualRefreshing = false; }
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}
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function onScroll() {
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if (body) follow = body.scrollHeight - body.scrollTop - body.clientHeight < 40;
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}
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async function latest() {
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follow = true;
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await tick();
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if (body) body.scrollTop = body.scrollHeight;
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}
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onMount(() => {
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const stop = pollVisible(() => refresh(), 5000);
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return () => { stop(); controller?.abort(); };
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});
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</script>
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{#snippet unavailable()}
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<span aria-hidden="true">—</span><span class="sr-only">Unavailable</span>
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{/snippet}
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{#snippet clockTime(value: string)}
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<time datetime={value} title={$timeFormat.dateTime(value)} aria-label={$timeFormat.dateTime(value)}>{$timeFormat.clockTime(value)}</time>
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{/snippet}
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{#snippet chatContext(context: ChatContext)}
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<dl class="context" aria-label="Message context">
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<div><dt>Match</dt><dd>{#if context.matchElapsedMs === null}{@render unavailable()}{:else}{formatDuration(context.matchElapsedMs)}{/if}</dd></div>
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<div><dt>Round</dt><dd>{#if context.round === null}{@render unavailable()}{:else}{context.round}{/if}</dd></div>
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</dl>
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{/snippet}
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{#snippet matchBoundary(entry: ChatBoundaryEntry)}
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<div class="match-divider">
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<div class="match-label">
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<span>{entry.event === 'start' ? 'Match started' : entry.event === 'end' ? 'Match ended' : 'New match'}</span>
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{#if entry.context.realTime}<span class="boundary-context">{@render clockTime(entry.context.realTime)}</span>{/if}
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{#if entry.context.matchElapsedMs !== null}<span class="boundary-context">Match <span class="number">{formatDuration(entry.context.matchElapsedMs)}</span></span>{/if}
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{#if entry.context.round !== null}<span class="boundary-context">Round <span class="number">{entry.context.round}</span></span>{/if}
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</div>
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</div>
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{/snippet}
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<section aria-label="Player chat">
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<div class="chat-head">
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<div class="chat-title"><h2>Chat</h2><span class="update-cadence">Updates every 5s</span></div>
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<div class="actions">
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{#if !follow}<Button size="sm" variant="ghost" onclick={latest}>Latest messages</Button>{/if}
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<Button size="sm" onclick={() => refresh(true)} loading={manualRefreshing} ariaLabel={manualRefreshing ? 'Refreshing chat' : 'Refresh chat'}>Refresh</Button>
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</div>
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</div>
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{#if error}<p class="ui-error" role="alert">{error} {loaded ? 'Showing the last loaded messages.' : ''}</p>{/if}
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{#if !loaded && !error}
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<p class="empty" role="status">Loading chat…</p>
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{:else if loaded && !hasMessages}
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<p class="empty">{missing ? 'Waiting for the game log. Player messages will appear here.' : 'No player messages in the recent game log.'}</p>
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{:else if hasMessages}
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<!-- svelte-ignore a11y_no_noninteractive_tabindex (The scrollable chat region must support keyboard scrolling.) -->
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<div class="messages" bind:this={body} onscroll={onScroll} tabindex="0" role="region" aria-label="Chat messages">
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<ol>
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{#each timeline as item}
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{#if item.type === 'boundaries'}
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<li class="match-events">
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{#if item.entries.length > 1}
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{#key JSON.stringify(item.entries)}
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<details class="earlier-events" ontoggle={(event) => { if (event.currentTarget.open) follow = false; }}>
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<summary>{item.entries.length - 1} earlier match {item.entries.length === 2 ? 'event' : 'events'}</summary>
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<ol aria-label="Earlier match events">
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{#each item.entries.slice(0, -1) as entry}
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<li>{@render matchBoundary(entry)}</li>
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{/each}
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</ol>
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</details>
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{/key}
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{/if}
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{@render matchBoundary(item.entries[item.entries.length - 1])}
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</li>
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{:else}
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<li class="message">
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<span class="message-clock">
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{#if item.entry.context.realTime}{@render clockTime(item.entry.context.realTime)}{:else}<span class="sr-only">Time: </span>{@render unavailable()}{/if}
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</span>
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<div class="message-content">
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<div class="message-head"><strong>{item.entry.message.player}</strong>{@render chatContext(item.entry.context)}</div>
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<p>{item.entry.message.message}</p>
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</div>
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</li>
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{/if}
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{/each}
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</ol>
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</div>
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{/if}
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</section>
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<style>
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section { container-type: inline-size; }
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.chat-head, .actions, .chat-title { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
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.chat-head { justify-content: space-between; }
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.chat-title { gap: var(--space-2) var(--space-3); }
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h2 { margin: 0; font-size: var(--text-lg); }
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.update-cadence { color: var(--text-secondary); font-size: var(--text-xs); }
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.empty { color: var(--text-secondary); font-size: var(--text-sm); padding: var(--space-6) 0; }
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.messages { max-height: 60vh; overflow: auto; margin-top: var(--space-4); }
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.messages:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--accent-primary); border-radius: var(--radius-sm); }
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ol { list-style: none; padding: 0; margin: 0; }
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.message { display: grid; grid-template-columns: 6rem minmax(0, 1fr); align-items: baseline; column-gap: var(--space-4); padding: var(--space-3) 0; }
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.message-clock, .number { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
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.message-clock { font-size: var(--text-xs); color: var(--text-secondary); white-space: nowrap; }
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.message-content { min-width: 0; }
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.message-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: var(--space-1) var(--space-3); }
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strong { min-width: 0; color: var(--text-primary); font-size: var(--text-base); font-weight: var(--weight-semibold); overflow-wrap: anywhere; }
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.context { display: flex; align-items: baseline; flex-wrap: wrap; gap: var(--space-1) var(--space-3); margin: 0; color: var(--text-secondary); font-size: var(--text-xs); font-weight: var(--weight-regular); }
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.context > div { display: flex; align-items: baseline; gap: var(--space-1); white-space: nowrap; }
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.context > div + div::before { content: '·'; margin-right: var(--space-1); color: var(--text-tertiary); }
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.context dd { margin: 0; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
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.message p { margin: var(--space-1) 0 0; font-size: var(--text-base); line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
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.match-events { padding: var(--space-1) 0; }
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.match-divider { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) 0; color: var(--text-secondary); font-size: var(--text-xs); }
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.match-divider::before, .match-divider::after { content: ''; height: 1px; flex: 1; min-width: var(--space-3); background: var(--border-subtle); }
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.match-label { min-width: 0; display: flex; align-items: baseline; justify-content: center; flex-wrap: wrap; gap: var(--space-1) var(--space-2); }
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.boundary-context { white-space: nowrap; }
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.boundary-context::before { content: '·'; margin-right: var(--space-2); color: var(--text-tertiary); }
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.earlier-events summary { width: fit-content; max-width: 100%; box-sizing: border-box; min-height: 32px; margin-inline: auto; padding: var(--space-2); border-radius: var(--radius-sm); color: var(--text-secondary); font-size: var(--text-xs); cursor: pointer; }
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.earlier-events summary:hover { color: var(--text-primary); background: var(--surface-raised); }
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.earlier-events summary:focus-visible { outline: none; box-shadow: var(--focus-ring); }
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.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
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@container (max-width: 560px) {
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.message { grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-1) var(--space-3); }
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.message-clock { grid-column: 2; grid-row: 1; }
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.message-content, .message-head { display: contents; }
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strong { grid-column: 1; grid-row: 1; }
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.context { grid-column: 1 / -1; grid-row: 2; }
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.message p { grid-column: 1 / -1; grid-row: 3; margin-top: 0; }
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}
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</style>
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